MICHAEL L. MIHALOV M.D.
NPI 1174517270
Pathology - Anatomic Pathology & Clinical Pathology in Chicago, IL
About Michael L. Mihalov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL L. MIHALOV M.D. (NPI 1174517270) is an individual anatomic pathology & clinical pathology provider in Chicago, Illinois and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael L. Mihalov M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Mihalov reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Midwest Diagnostic Pathology, S.C.
- 54 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60631 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60631
CHICAGO, IL 60631
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Mihalov's NPI number?
The NPI number for Michael Mihalov is 1174517270. It was assigned to this individual provider in the NPPES registry on September 2, 2005.
Where is Michael Mihalov located?
Michael Mihalov practices at 7435 W Talcott Ave Resurrection Medical Center, Chicago, IL 60631. The listed phone number is (773) 774-8000.
What is Michael Mihalov's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Michael Mihalov enrolled in Medicare?
Yes. Michael Mihalov is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Mihalov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mihalov reassigns Medicare benefits to Midwest Diagnostic Pathology Sc (Park Ridge, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Mihalov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Mihalov was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.